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SN74HCT377DWRE4 Datasheet(PDF) 1 Page - Texas Instruments |
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SN74HCT377DWRE4 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 11 page SN54HCT377, SN74HCT377 OCTAL D-TYPE FLIP-FLOPS WITH CLOCK ENABLE SCLS067D – NOVEMBER 1988 – REVISED MARCH 2003 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Operating Voltage Range of 4.5 V to 5.5 V D Outputs Can Drive Up To 10 LSTTL Loads D Low Power Consumption, 80-µA Max ICC D Typical tpd = 12 ns D ±4-mA Output Drive at 5 V D Low Input Current of 1 µA Max D Inputs Are TTL-Voltage Compatible D Contain Eight Flip-Flops With Single-Rail Outputs D Clock Enable Latched to Avoid False Clocking D Applications Include: – Buffer/Storage Registers – Shift Registers – Pattern Generators 32 1 20 19 910 11 1213 4 5 6 7 8 18 17 16 15 14 8D 7D 7Q 6Q 6D 2D 2Q 3Q 3D 4D SN54HCT377 ...FK PACKAGE (TOP VIEW) SN54HCT377 ...J OR W PACKAGE SN74HCT377 . . . DW OR N PACKAGE (TOP VIEW) 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 CLKEN 1Q 1D 2D 2Q 3Q 3D 4D 4Q GND VCC 8Q 8D 7D 7Q 6Q 6D 5D 5Q CLK description/ordering information These devices are positive-edge-triggered D-type flip-flops. The ’HCT377 devices are similar to the ’HCT273 devices, but feature a latched clock-enable (CLKEN) input instead of a common clear. Information at the data (D) inputs meeting the setup time requirements is transferred to the Q outputs on the positive-going edge of the clock (CLK) pulse if CLKEN is low. Clock triggering occurs at a particular voltage level and is not directly related to the transition time of the positive-going pulse. When CLK is at either the high or low level, the D input has no effect at the output. These devices are designed to prevent false clocking by transitions at CLKEN. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING PDIP – N Tube SN74HCT377N SN74HCT377N –40 °C to 85°C SOIC DW Tube SN74HCT377DW HCT377 SOIC – DW Tape and reel SN74HCT377DWR HCT377 CDIP – J Tube SNJ54HCT377J SNJ54HCT377J –55 °C to 125°C CFP – W Tube SNJ54HCT377W SNJ54HCT377W LCCC – FK Tube SNJ54HCT377FK SNJ54HCT377FK † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. Copyright 2003, Texas Instruments Incorporated UNLESS OTHERWISE NOTED this document contains PRODUCTION DATA information current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. |
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